TECHNICAL SPECIFICATIONS: * Shock Resistant * 200 Meter Water Resistant * EL Backlight with Afterglow * Flash Alert * Flashes with buzzer that sounds for alarms, hourly time * signal, countdown timer time-up alarm * 1/100 second stopwatch * Measuring capacity: 00'00"00-59'59"99 (for the first 60 minutes) * 1:00'00-23:59'59 (after 60 minutes) * Measuring unit: 1/100 second (for the first 60 minutes) * 1 second (after 60 minutes) * Measuring mode: Elapsed time, split time, 1st-2nd place times * Countdown timer * Measuring unit: 1 second * Countdown range: 24 hours * Countdown start time setting range: 1 second to 24 hours * (1-second increments, 1-minute increments and 1-hour increments) * Other: Auto-repeat * Multi-function alarm * Hourly time signal * Full auto-calendar (pre-programmed until the year 2039) * 12/24 hour formats * Accuracy: +/- 15 seconds per month * Battery CR2016 * Approx. battery life: 2 years * Module 1289